USB light tube



FIG. 1 is a perspective view of a USB light tube showing my new design in an environment of use;

FIG. 2 is a bottom perspective view of the USB light tube shown in an alternate configuration of use with the environment removed for clarity of disclosure;

FIG. 3 is a bottom plan view of the USB light tube thereof;

FIG. 4 is a top plan view of the USB light tube thereof;

FIG. 5 is a left side view of the USB light tube thereof, with the right side view being a mirror image thereof;

FIG. 6 is an elevation view showing a first end of the USB light tube thereof;

FIG. 7 is an elevation view showing a second end of the USB light tube thereof;

FIG. 8 is a close up perspective view of the first end of the USB light tube thereof; and,

FIG. 9 is a close up perspective view of the second end of the USB light tube thereof.

The USB light tube is shown with symbolic breaks in its length. In the drawings, the evenly spaced broken lines are for purposes of illustrating portions of the USB light tube and form no part of the claimed design; the additional evenly spaced broken lines in FIGS. 1, 8, and 9 are for purposes of annotating the enlarged view only and form no part thereof. The dash-dot-dash broken lines in FIGS. 1-7 illustrate environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a USB light tube, as shown and described. 